4.Tightness is good ,moisture-proof,dust-proof,waterproof,anti-oil,anti-corrosion and erosion of harmful gases proof,acid and alkali proof,quakeproof.

5.Low cost,high lifespan,membrane switch's design and manufacture are using the keyboard as a whole way,whether on the material or mold charges,the costs are lowest,the life expectancy of different types of membrane switch is more than 100million times.

6.Easy to operate,intuitive,safe and reliable,In-house 100% functionally tested,components are guaranteed without any intermittent problem.

7.Customized specification is available and keys can make different shapes